136155073 has 2 divisors, whose sum is σ = 136155074. Its totient is φ = 136155072.

The previous prime is 136155059. The next prime is 136155113. The reversal of 136155073 is 370551631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132871729 + 3283344 = 11527^2 + 1812^2 .

It is an emirp because it is prime and its reverse (370551631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136155073 - 2²¹ = 134057921 is a prime.

It is not a weakly prime, because it can be changed into another prime (136155013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68077536 + 68077537.

It is an arithmetic number, because the mean of its divisors is an integer number (68077537).

Almost surely, 2^136155073 is an apocalyptic number.

It is an amenable number.

136155073 is a deficient number, since it is larger than the sum of its proper divisors (1).

136155073 is an equidigital number, since it uses as much as digits as its factorization.

136155073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 136155073 is about 11668.5505955110. The cubic root of 136155073 is about 514.4517028836.

The spelling of 136155073 in words is "one hundred thirty-six million, one hundred fifty-five thousand, seventy-three".